Delete version before symlink task

Author: stsewd

readthedocs/builds/models.py

@@ -218,9 +218,10 @@ def delete(self, *args, **kwargs):  # pylint: disable=arguments-differ
         from readthedocs.projects import tasks
         log.info('Removing files for version %s', self.slug)
         broadcast(type='app', task=tasks.clear_artifacts, args=[self.get_artifact_paths()])
-        broadcast(
-            type='app', task=tasks.symlink_project, args=[self.project.pk])
+        project_pk = self.project.pk
         super(Version, self).delete(*args, **kwargs)
+        broadcast(
+            type='app', task=tasks.symlink_project, args=[project_pk])
 
     @property
     def identifier_friendly(self):